TFCvstosWhich spelling fits?

Quick tell: TFC is a name, tos is a noun, so they fill different roles in a sentence.

Which to use

“TFC” is a name and “tos” is a noun - they look or sound alike but fill different roles in a sentence.

#43,180
“TFC” frequency rank
#48,234
“tos” frequency rank
91414
confusion score

Side-by-Side Comparison

Feature TFC tos
Definition Nom d’un club de football français basé à Toulouse. Élève de première année à l’École polytechnique.

Where the eye mixes TFC and tos

Muted = shared; highlighted = the visual trap. They share 1 letter in sequence. TFC (CCC) and tos (CVC) run the same length but a different consonant-vowel pattern - the shape difference is usually the fastest tell.

3 ch
TFC
3 ch
tos

Visual trap between TFC and tos

These two trip readers on the page rather than in the ear: TFC is \te.fe.se\ while tos is \tos\. Spoken aloud the problem disappears. In writing it persists, because they share most of their letters but differ in 2 positions, and the parts of speech differ too (name vs noun), which is usually the fastest check. Our composite confusion score for this pair is 91414, derived from the frequency rank of both members and their visual similarity.

TFC is recorded at frequency rank #43,180, classified as aname, pronounced \te.fe.se\. tos is at rank #48,234, tagged as anoun, pronounced \tos\.

Glosses for this pair are partially populated in our dataset, but the full side-by-side definitions above should still guide you to the right choice.

With a confusion score of 91414, this pair ranks #3,869 of 440,172 scored French confusable pairs - among the most confusable pairs.

Orthographic DNA of TFC vs tos

Shared letters: t. Private to "TFC": cf. Private to "tos": os.

"TFC" · 3 letters · shape CCC  ·  "tos" · 3 letters · shape CVC

Frequently Asked Questions

Is swapping "TFC" for "tos" ever safe?
No - they are not even the same part of speech. "TFC" is a name and "tos" a noun, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "TFC" or "tos"?
"TFC" is the more common of the two: it sits at frequency rank #43,180 in our French list, against #48,234 for "tos". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

What to do next

Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.

  • Full dictionary entry for "TFC" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "tos" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #3,869 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "TFC" and "tos" also get mixed up with nearby pairs, the highest-scored neighbour is "tif vs tos". Nearby pair

Confusion rank #3,869 of 440,172 scored French pairs, corpus vintage 2026-09-03, not spelling advice.

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list